GWL_STYLE指的是那些旧的窗口属性。相对于GWL_EXSTYLEGWL扩展属性而言的。

WS_BORDER 

Creates a window that has a thin-line border.

WS_CAPTION 

Creates a window that has a title bar (includes the WS_BORDERstyle).

WS_CHILD 

Creates a child window. A window with this style cannot have amenu bar. This style cannot be used with the WS_POPUP style.

WS_CHILDWINDOW 

Same as the WS_CHILD style.

WS_CLIPCHILDREN 

Excludes the area occupied by child windows when drawing occurswithin the parent window. This style is used when creating theparent window.

WS_CLIPSIBLINGS 

Clips child windows relative to each other; that is, when aparticular child window receives a WM_PAINT message, theWS_CLIPSIBLINGS style clips all other overlapping child windows outof the region of the child window to be updated. If WS_CLIPSIBLINGSis not specified and child windows overlap, it is possible, whendrawing within the client area of a child window, to draw withinthe client area of a neighboring child window.

WS_DISABLED 

Creates a window that is initially disabled. A disabled windowcannot receive input from the user. To change this after a windowhas been created, use EnableWindow.

WS_DLGFRAME 

Creates a window that has a border of a style typically usedwith dialog boxes. A window with this style cannot have a titlebar.

WS_GROUP 

Specifies the first control of a group of controls. The groupconsists of this first control and all controls defined after it,up to the next control with the WS_GROUP style. The first controlin each group usually has the WS_TABSTOP style so that the user canmove from group to group. The user can subsequently change thekeyboard focus from one control in the group to the next control inthe group by using the direction keys.

You can turn this style on and off to change dialog boxnavigation. To change this style after a window has been created,use SetWindowLong.

WS_HSCROLL 

Creates a window that has a horizontal scroll bar.

WS_ICONIC 

Creates a window that is initially minimized. Same as theWS_MINIMIZE style.

WS_MAXIMIZE 

Creates a window that is initially maximized.

WS_MAXIMIZEBOX 

Creates a window that has a maximize button. Cannot be combinedwith the WS_EX_CONTEXTHELP style. The WS_SYSMENU style must also bespecified.

WS_MINIMIZE 

Creates a window that is initially minimized. Same as theWS_ICONIC style.

WS_MINIMIZEBOX 

Creates a window that has a minimize button. Cannot be combinedwith the WS_EX_CONTEXTHELP style. The WS_SYSMENU style must also bespecified.

WS_OVERLAPPED 

Creates an overlapped window. An overlapped window has a titlebar and a border. Same as the WS_TILED style.

WS_OVERLAPPEDWINDOW 

Creates an overlapped window with the WS_OVERLAPPED,WS_CAPTION, WS_SYSMENU, WS_THICKFRAME, WS_MINIMIZEBOX, andWS_MAXIMIZEBOX styles. Same as the WS_TILEDWINDOW style.

WS_POPUP 

Creates a pop-up window. This style cannot be used with theWS_CHILD style.

WS_POPUPWINDOW 

Creates a pop-up window with WS_BORDER, WS_POPUP, andWS_SYSMENU styles. The WS_CAPTION and WS_POPUPWINDOW styles must becombined to make the window menu visible.

WS_SIZEBOX 

Creates a window that has a sizing border. Same as theWS_THICKFRAME style.

WS_SYSMENU 

Creates a window that has a window menu on its title bar. TheWS_CAPTION style must also be specified.

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WS_TABSTOP 

Specifies a control that can receive the keyboard focus whenthe user presses the TAB key. Pressing the TAB key changes thekeyboard focus to the next control with the WS_TABSTOP style.

You can turn this style on and off to change dialog boxnavigation. To change this style after a window has been created,useSetWindowLong.

WS_THICKFRAME 

Creates a window that has a sizing border. Same as theWS_SIZEBOX style.

WS_TILED 

Creates an overlapped window. An overlapped window has a titlebar and a border. Same as the WS_OVERLAPPED style.

WS_TILEDWINDOW 

Creates an overlapped window with the WS_OVERLAPPED,WS_CAPTION, WS_SYSMENU, WS_THICKFRAME, WS_MINIMIZEBOX, andWS_MAXIMIZEBOX styles. Same as the WS_OVERLAPPEDWINDOW style.

WS_VISIBLE 

Creates a window that is initially visible.

This style can be turned on and off by using ShowWindow orSetWindowPos.

WS_VSCROLL 
Creates a window that has a vertical scroll bar.